           package com.java.diagnostics.visualizer.impl.properties.ids;
           
           import com.java.diagnostics.visualizer.impl.extensions.DataIDRegistry;
           import com.java.diagnostics.visualizer.impl.extensions.StructuredDataIDRegistry;
           import com.java.diagnostics.visualizer.impl.properties.OutputPropertiesImpl;
           import java.util.Set;
           import org.eclipse.core.runtime.preferences.IScopeContext;
           import org.osgi.service.prefs.Preferences;
           
           public class StructuredIDsToDisplayPropertiesImpl extends IDsToDisplayPropertiesImpl
           {
             private static String key = StructuredIDsToDisplayPropertiesImpl.class.getName();
           
             public StructuredIDsToDisplayPropertiesImpl(IScopeContext scope, OutputPropertiesImpl parent)
             {
               super(key, scope, parent);
             }
           
             public static void initializeDefaults(Preferences preferences)
             {
               DataIDRegistry registry = 
                 StructuredDataIDRegistry.getInstance();
               Set ids = registry.getIDs();
               String string = stringify(ids);
               preferences.put(key, string);
             }
           }

